Digital To Analog Audio Converter, Cingk DAC Digital SPDIF Optical To Analog Stereo Audio L/R 2RCA Adapter With Optical Cable for Home Cinema Systems AV Amps Audio Applied to devices that output coaxial or fiber-optic digital audio, convert the Digital audio signal to L / R analog audio to a speaker/ aplifier or other sound equipment NOTE: please set your signal source(TV) to linear PCM audio when using this converter;Please disconnect the power when not in use, energy saving and environmental protection Provides Electromagnetic-noise-free Transmission, Sampling Rate at 32, 44.1, 48, and 96 KHz, 24-bit S/PDIF Incoming Bit Stream on Left and Right Channels analog audio output does not support Dolby Digital Plug-n-Play,No extral drive installation matter,Full Metal lightweight body perfect for Home theater audio HIFI system or music audio adapter;Overall Shielding without Signal Interference, Gold Plated Sockets, Enhance HD Sound Signals over Long Distance Broadcasting Smoothly The optical cable and the power cord Length is 1 meter (3.28 feet), Please remove the fiber protection cover when using it; Please make sure that the quality of the RCA audio cable is not damaged When use the converter, especially the fiber cable port needs to be tightly inserted to avoid affecting audio transmission!